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<meta name="DC.Title" content="Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography" />
<meta name="DC.Date" content="2001-03-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="Copyright © American Society of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: The diagnosis of dural sinus thrombosis is often difficult because of its variable and nonspecific clinical presentation and the overlapping signal intensities of thrombosis and venous flow on conventional MR images and MR venograms. We compared 3D contrast-enhanced magnetization-prepared rapid gradient-echo (MP-RAGE) sequences with 2D time-of-flight (TOF) MR venography, digital subtraction angiography (DSA), and conventional spin-echo (SE) MR imaging for the assessment of normal and abnormal dural sinuses.

METHODS: In a phantom study, a plastic tube with pulsating flow was used to simulate the intracranial dural sinus. With 3D MP-RAGE, a variety of flow velocities, contrast material concentrations, and angulations between the phantom flow tube and the plane of acquisition were tested to measure their relationship to signal-to-noise ratio (SNR). In a clinical study, 35 patients, including 18 with suspected dural sinus thrombosis, were studied with both MR imaging and DSA. Receiver operating characteristic (ROC) analysis was performed in a blinded fashion using DSA as the reference standard.

RESULTS: With the phantom, the SNR of flow increased with increasing contrast concentration, but was not affected by the angle between the tube and scan slab. There was no relationship between SNR and velocity when the contrast concentration was 1.0 mmol/L or greater. In the clinical study, dural sinus thrombosis as well as the normal anatomy of the dural sinuses were seen better with 3D contrast-enhanced MP-RAGE than with 2D-TOF MR venography. Three-dimensional contrast-enhanced MP-RAGE showed the highest diagnostic confidence on ROC curves in the diagnosis of thrombosis.

CONCLUSION: Three-dimensional contrast-enhanced MP-RAGE is superior to 2D-TOF MR venography and conventional SE MR imaging in the depiction of normal venous structures and the diagnosis of dural sinus thrombosis, and is a potential alternative to DSA." />
<meta name="DC.Contributor" content="Luxia Liang" />
<meta name="DC.Contributor" content="Yukunori Korogi" />
<meta name="DC.Contributor" content="Takeshi Sugahara" />
<meta name="DC.Contributor" content="Mitsukazu Onomichi" />
<meta name="DC.Contributor" content="Yoshinori Shigematsu" />
<meta name="DC.Contributor" content="Deweng Yang" />
<meta name="DC.Contributor" content="Mika Kitajima" />
<meta name="DC.Contributor" content="Yasuhiro Hiai" />
<meta name="DC.Contributor" content="Mutsumasa Takahashi" />
<meta name="article:published_time" content="2001-03-01" />
<meta name="article:section" content="BRAIN" />
<meta name="citation_title" content="Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography" />
<meta name="citation_abstract" lang="en" content="&lt;p&gt;&lt;i&gt;BACKGROUND AND PURPOSE:&lt;/i&gt; The diagnosis of dural sinus thrombosis is often difficult because of its variable and nonspecific clinical presentation and the overlapping signal intensities of thrombosis and venous flow on conventional MR images and MR venograms. We compared 3D contrast-enhanced magnetization-prepared rapid gradient-echo (MP-RAGE) sequences with 2D time-of-flight (TOF) MR venography, digital subtraction angiography (DSA), and conventional spin-echo (SE) MR imaging for the assessment of normal and abnormal dural sinuses.&lt;/p&gt;&lt;p&gt;&lt;i&gt;METHODS:&lt;/i&gt; In a phantom study, a plastic tube with pulsating flow was used to simulate the intracranial dural sinus. With 3D MP-RAGE, a variety of flow velocities, contrast material concentrations, and angulations between the phantom flow tube and the plane of acquisition were tested to measure their relationship to signal-to-noise ratio (SNR). In a clinical study, 35 patients, including 18 with suspected dural sinus thrombosis, were studied with both MR imaging and DSA. Receiver operating characteristic (ROC) analysis was performed in a blinded fashion using DSA as the reference standard.&lt;/p&gt;&lt;p&gt;&lt;i&gt;RESULTS:&lt;/i&gt; With the phantom, the SNR of flow increased with increasing contrast concentration, but was not affected by the angle between the tube and scan slab. There was no relationship between SNR and velocity when the contrast concentration was 1.0 mmol/L or greater. In the clinical study, dural sinus thrombosis as well as the normal anatomy of the dural sinuses were seen better with 3D contrast-enhanced MP-RAGE than with 2D-TOF MR venography. Three-dimensional contrast-enhanced MP-RAGE showed the highest diagnostic confidence on ROC curves in the diagnosis of thrombosis.&lt;/p&gt;&lt;p&gt;&lt;i&gt;CONCLUSION:&lt;/i&gt; Three-dimensional contrast-enhanced MP-RAGE is superior to 2D-TOF MR venography and conventional SE MR imaging in the depiction of normal venous structures and the diagnosis of dural sinus thrombosis, and is a potential alternative to DSA.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
<meta name="citation_publisher" content="American Journal of Neuroradiology" />
<meta name="citation_publication_date" content="2001/03/01" />
<meta name="citation_mjid" content="ajnr;22/3/481" />
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<meta name="citation_author" content="Luxia Liang" />
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<meta name="twitter:title" content="Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: The diagnosis of dural sinus thrombosis is often difficult because of its variable and nonspecific clinical presentation and the overlapping signal intensities of thrombosis and venous flow on conventional MR images and MR venograms. We compared 3D contrast-enhanced magnetization-prepared rapid gradient-echo (MP-RAGE) sequences with 2D time-of-flight (TOF) MR venography, digital subtraction angiography (DSA), and conventional spin-echo (SE) MR imaging for the assessment of normal and abnormal dural sinuses.

METHODS: In a phantom study, a plastic tube with pulsating flow was used to simulate the intracranial dural sinus. With 3D MP-RAGE, a variety of flow velocities, contrast material concentrations, and angulations between the phantom flow tube and the plane of acquisition were tested to measure their relationship to signal-to-noise ratio (SNR). In a clinical study, 35 patients, including 18 with suspected dural sinus thrombosis, were studied with both MR imaging and DSA. Receiver operating characteristic (ROC) analysis was performed in a blinded fashion using DSA as the reference standard.

RESULTS: With the phantom, the SNR of flow increased with increasing contrast concentration, but was not affected by the angle between the tube and scan slab. There was no relationship between SNR and velocity when the contrast concentration was 1.0 mmol/L or greater. In the clinical study, dural sinus thrombosis as well as the normal anatomy of the dural sinuses were seen better with 3D contrast-enhanced MP-RAGE than with 2D-TOF MR venography. Three-dimensional contrast-enhanced MP-RAGE showed the highest diagnostic confidence on ROC curves in the diagnosis of thrombosis.

CONCLUSION: Three-dimensional contrast-enhanced MP-RAGE is superior to 2D-TOF MR venography and conventional SE MR imaging in the depiction of normal venous structures and the diagnosis of dural sinus thrombosis, and is a potential alternative to DSA." />
<meta name="og-title" property="og:title" content="Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/22/3/481" />
<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: The diagnosis of dural sinus thrombosis is often difficult because of its variable and nonspecific clinical presentation and the overlapping signal intensities of thrombosis and venous flow on conventional MR images and MR venograms. We compared 3D contrast-enhanced magnetization-prepared rapid gradient-echo (MP-RAGE) sequences with 2D time-of-flight (TOF) MR venography, digital subtraction angiography (DSA), and conventional spin-echo (SE) MR imaging for the assessment of normal and abnormal dural sinuses.

METHODS: In a phantom study, a plastic tube with pulsating flow was used to simulate the intracranial dural sinus. With 3D MP-RAGE, a variety of flow velocities, contrast material concentrations, and angulations between the phantom flow tube and the plane of acquisition were tested to measure their relationship to signal-to-noise ratio (SNR). In a clinical study, 35 patients, including 18 with suspected dural sinus thrombosis, were studied with both MR imaging and DSA. Receiver operating characteristic (ROC) analysis was performed in a blinded fashion using DSA as the reference standard.

RESULTS: With the phantom, the SNR of flow increased with increasing contrast concentration, but was not affected by the angle between the tube and scan slab. There was no relationship between SNR and velocity when the contrast concentration was 1.0 mmol/L or greater. In the clinical study, dural sinus thrombosis as well as the normal anatomy of the dural sinuses were seen better with 3D contrast-enhanced MP-RAGE than with 2D-TOF MR venography. Three-dimensional contrast-enhanced MP-RAGE showed the highest diagnostic confidence on ROC curves in the diagnosis of thrombosis.

CONCLUSION: Three-dimensional contrast-enhanced MP-RAGE is superior to 2D-TOF MR venography and conventional SE MR imaging in the depiction of normal venous structures and the diagnosis of dural sinus thrombosis, and is a potential alternative to DSA." />
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      <h1 class="highwire-cite-title" id="page-title">Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">Luxia Liang</span>, <span class="highwire-citation-author" data-delta="1">Yukunori Korogi</span>, <span class="highwire-citation-author" data-delta="2">Takeshi Sugahara</span>, <span class="highwire-citation-author" data-delta="3">Mitsukazu Onomichi</span>, <span class="highwire-citation-author" data-delta="4">Yoshinori Shigematsu</span>, <span class="highwire-citation-author" data-delta="5">Deweng Yang</span>, <span class="highwire-citation-author" data-delta="6">Mika Kitajima</span>, <span class="highwire-citation-author" data-delta="7">Yasuhiro Hiai</span> and <span class="highwire-citation-author" data-delta="8">Mutsumasa Takahashi</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">March 2001,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">22 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(3) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">481-492; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-2012--6223995383" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Luxia Liang </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Luxia%2BLiang%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Liang%20L&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3ALuxia%2BLiang%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">Yukunori Korogi </div><ul 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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 22</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 3 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Mar 2001 </div></div>
      
      
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      <div class="highwire-cite-title">Evaluation of the Intracranial Dural Sinuses with a 3D Contrast-enhanced MP-RAGE Sequence: Prospective Comparison with 2D-TOF MR Venography and Digital Subtraction Angiography</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">Luxia</span> <span class="nlm-surname">Liang</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">Yukunori</span> <span class="nlm-surname">Korogi</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">Takeshi</span> <span class="nlm-surname">Sugahara</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">Mitsukazu</span> <span class="nlm-surname">Onomichi</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">Yoshinori</span> <span class="nlm-surname">Shigematsu</span></span>, <span class="highwire-citation-author" data-delta="5"><span class="nlm-given-names">Deweng</span> <span class="nlm-surname">Yang</span></span>, <span class="highwire-citation-author" data-delta="6"><span class="nlm-given-names">Mika</span> <span class="nlm-surname">Kitajima</span></span>, <span class="highwire-citation-author" data-delta="7"><span class="nlm-given-names">Yasuhiro</span> <span class="nlm-surname">Hiai</span></span>, <span class="highwire-citation-author" data-delta="8"><span class="nlm-given-names">Mutsumasa</span> <span class="nlm-surname">Takahashi</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Mar 2001, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">22 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(3) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">481-492; </span></div>
  
  
  
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    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">Luxia</span> <span class="nlm-surname">Liang</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">Yukunori</span> <span class="nlm-surname">Korogi</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">Takeshi</span> <span class="nlm-surname">Sugahara</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">Mitsukazu</span> <span class="nlm-surname">Onomichi</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">Yoshinori</span> <span class="nlm-surname">Shigematsu</span></span>, <span class="highwire-citation-author" data-delta="5"><span class="nlm-given-names">Deweng</span> <span class="nlm-surname">Yang</span></span>, <span class="highwire-citation-author" data-delta="6"><span class="nlm-given-names">Mika</span> <span class="nlm-surname">Kitajima</span></span>, <span class="highwire-citation-author" data-delta="7"><span class="nlm-given-names">Yasuhiro</span> <span class="nlm-surname">Hiai</span></span>, <span class="highwire-citation-author" data-delta="8"><span class="nlm-given-names">Mutsumasa</span> <span class="nlm-surname">Takahashi</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Mar 2001, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">22 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(3) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">481-492; </span></div>
  
  
  
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